[Bug 33331] Re: moving the clock 1 h forward starts the screensaver

[Chris Jones]

Presumably they'd need to send such a message in the tiny interval between the time changing and the screensaver activating.
Far better (I would think), would be for the screensaver daemon to notice that the time just jumped an unreasonable amount of time and reset its counters; Providing that that doesn't cause problems with other expected behaviours.

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moving the clock 1 h forward starts the screensaver
https://launchpad.net/bugs/33331